Home / 125,686.82-173,443.38-69,097.76

Finding the Fourth Proportional to 125,686.82, 173,443.38 and 69,097.76

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Solution

The fourth proportional to 125,686.82, 173,443.38 and 69,097.76 is: 95,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686.82 : 173,443.38 = 69,097.76 : x
  2. Step 2: Convert to fraction form
    125,686.82/173,443.38 = 69,097.76/x
  3. Step 3: Cross multiply
    125,686.82x = 173,443.38 × 69,097.76
  4. Step 4: Simplify right side
    125,686.82x = 11,984,549,044.83
  5. Step 5: Solve for x
    x = 11,984,549,044.83/125,686.82
  6. Step 6: Final answer
    x = 95,352.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.